package cn.luischen.aspect;

import java.util.Arrays;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import cn.luischen.service.log.LogService;

/**
 * 请求的日志处理 Created by Donghua.Chen on 2018/4/28.
 */
@Aspect
@Component
public class WebLogAspect {

	@Autowired
	private LogService logService;

	private static Logger LOGGER = LoggerFactory.getLogger(WebLogAspect.class);

	ThreadLocal<Long> startTime = new ThreadLocal<>();

	@Pointcut("execution(public * cn.luischen.controller..*.*(..))")
	public void webLog() {
	}

	@Before("webLog()")
	public void doBefore(JoinPoint joinPoint) {
		LOGGER.info("WebLogAspect.doBefore : ");
		startTime.set(System.currentTimeMillis());

		// 接收到请求，记录请求内容
		ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();

		HttpServletRequest request = attributes.getRequest();
		HttpSession session = request.getSession();
		// 记录下请求内容

		LOGGER.info("URL : " + request.getRequestURL().toString());

		LOGGER.info("HTTP_METHOD : " + request.getMethod());
		LOGGER.info("IP : " + request.getRemoteAddr());

		LOGGER.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
				+ joinPoint.getSignature().getName());

		LOGGER.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));
	}

	@AfterReturning(returning = "ret", pointcut = "webLog()")
	public void doAfterReturning(Object ret) throws Throwable {
		LOGGER.info("WebLogAspect.doAfterReturning : ");
		// 处理完请求，返回内容
		LOGGER.info("RESPONSE : " + ret);

		LOGGER.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));
		startTime.remove();// 用完之后记得清除，不然可能导致内存泄露;
	}

	private void doAfterReturning2(Object ret) throws Throwable {
		LOGGER.info("WebLogAspect.doAfterReturning : ");
		// 处理完请求，返回内容
		LOGGER.info("RESPONSE : " + ret);

		LOGGER.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));
		startTime.remove();// 用完之后记得清除，不然可能导致内存泄露;
	}

}
